I often go out with different groups of friends, so we usually split the bill. It’s manageable, but it always turns into a small hassle trying to remember who o

I often go out with different groups of friends, so we usually split the bill. It’s manageable, but it always turns into a small hassle trying to remember who ordered what, and run the math on tax and tips. I'm thinking to have a small tool for payer scan the receipt with detailed items and tax, and tips. then the e-bill to the table and let others to claim what they order, and the tool helps calculate tax and tip based on shared. But not quite sure whether it would be helpful for others.